37.7933, −122.4042 A locator map appears here once a Mapbox token is configured.

530–550 Kearny Street

Union Square · San Francisco, CA 94108

  • Office building
  • 10 stories
  • Zoned C3O
  • District 3
  • Historic status: not a historical resource
37.7933, −122.4042 Street View appears here once a Google Maps embed key is configured.
193,172 sq ftBuilding area
18,732 sq ftLot area
106Rooms · 14 baths
  1. November 1970

    Photographed, showing the Business Branch Library.

  2. 1975

    Built.

  3. Dec 1979

    Created during job card conversion on: 03/04/83.

    Expired Permit 7912201 $$$ $11,106,361
  4. Aug 1994

    Cti1 8th fl sp.

    Complete Permit 9413766 $$$ $68,000
  5. Oct 2007

    Limited replacement of exterior finish panels cladding and awnings, including rain leaders and lighting.

    Complete Permit 200710155412 $$$ $480,000
  6. Sep 2011

    Additions alterations or repairs.

    Filed Permit 201109134525 $$$ $93,000,000
  7. Jan 2012

    Commercial ti on 2 floors. minor demolition, new construction work includes partitions, doors/frames, operable partitions, ceiling, finishes. electrical, lighting & mechanical work under separate permit. no changes to structural. fire alarm & sprinkler by deferred submittal - separate permit.

    Complete Permit 201201182433 $$$ $695,000
  8. Jan 2012

    Mechanical, electrical & plumbing work as deferrred submittal to permit application 201201182433. fire alarm & sprinkler under seperate permit.

    Complete Permit 201201232704 $$$ $400,000
  9. Mar 2012

    6th floor-demolition of non-load bearing walls, new construction partitions, frames, ceiling, doors, casework, finishes, electrical & mechanical work. fire alarm, sprinkler under seperate permit.

    Complete Permit 201203055351 $$$ $725,000
  10. May 2012

    Ground floor-tenant improvement on ground floor/add retail space-work includes partitions, doors, frames, ceiling, lighting & finishes. mechanical & electrical deferred submittal. sprinkler & fire alarm under seperate permit.

    Cancelled Permit 201205180811 $$$ $252,000
  11. Jun 2012

    Interior tenant improvement on 2 floors, minor demolition, new partitions, doors, frames, ceiling, finishes, electrical and mechanical. fire alarm and sprinkler under separate permit.

    Complete Permit 201206061991 $$$ $925,000
  12. Jun 2012

    Tenant improvement in the 7th floor, ste. 700; 7th floor restroom upgrade; minor demolition & new construction; new work includes partitions, doors and frames, finishes, lighting, ceiling, electrical & mechanical. sprinkler & fa under separate permit.

    Complete Permit 201206253385 $$$ $500,000
  13. Nov 2012

    10th floor-minor demolition, new construction-partitions, doors & frames, ceiling, casework, finishes, electrical & mechanical. fire alarm under seperate permit.

    Complete Permit 201211194540 $$$ $940,000
  14. May 2014

    5th floor suite 500 - selective demolitoin & new construction of non-structural interior partitions, doors, electrical, mechanical casework & minor ligting changes. n/a maher ordinance 155-13.

    Complete Permit 201405155916 $$$ $682,000
  15. Mar 2015

    New non-structural interior office partitios, power and comm, reconfiguration of mechanical and electrical systems with suite. maher - not req'd.

    Complete Permit 201503039780 $$$ $572,000
  16. Nov 2016

    Suite #100, ground floor - ti to existing office space demolition of non-structural partitions/non-rated partitions. construction of -nonstructural/non rated partitions. installation of new power/data/security outlets. new lights, new finishes.

    Complete Permit 201611303770 $$$ $584,353
  17. Apr 2019

    9th floor ti- non structural partitions, ceiling tiles and grids, mep included.

    Complete Permit 201904269050 $$$ $1,600,000
  18. May 2019

    6th fl: ti to include demolition of non-structural partitions, new non-load bearing partitions, ceiling tiles, and grids. mep & fire life safety under separate permit.

    Complete Permit 201905080070 $$$ $400,000
  19. May 2019

    3rd and 4th floors - remove selected non-load bearing partitions, ceiling & assoc framing. installation of new partition, gyp board ceiling, new millwork & appliances. new paint & flooring in selected areas new light fixtures & mep equipments.

    Complete Permit 201905211190 $$$ $2,774,532
  20. Jul 2019

    Tenant improvement on the 2nd floor to include new non-structural partitions ceilin tile and grids, mep under sep permit.

    Complete Permit 201907226477 $$$ $850,000
  21. Jan 2020

    2nd fl: new lighting upgrades, lighting control upgrades and life safety upgrades. reference p.a. #2019 0722 6477. electrical only.

    Issued Permit 202001071322 $$$ $500,000
  22. Mar 2020

    7th fl - ti to include new non-structural partitions, ceiling tiles and grid, doors and hardware. mep included.

    Issued Permit 202003096519 $$$ $900,000
  23. Mar 2021

    Direct replacement of 1 cooling tower located on roof & 2 pumps in the penthouse.

    Issued Permit 202103257297 $$$ $450,000
  24. Jun 2025

    Level 1 and level 2 - modification of shared space into amenities space including fitness center, showers, lounge, conference, restrooms & corridors. includes demolition of non-structural partitions, doors, ceilings & finishes.

    Filed Permit 202506128606 $$$ $2,725,800
  25. Mar 2026

    Addition of penthouse roof terrace: new elevator/lobby, restrooms, landscaped area, exterior paver system, outdoor furniture & amenity casework, perimeter fencing, & upgrades to existing exterior stairs & wall finishes. selective demolition of non-structural/structural partitions, floors, doors, ceilings.

    Filed Permit 202512222379 $$$ $2,725,800
  26. Apr 2026

    Selective demolition of non-structural interior elements, including interior portions, doors, ceilings, lighting, mechanical & electrical, and finishes. new construction scope includes non-structural interior elements such as interior portitions, ceilings, lighting and finishes.

    Issued Permit 202604099141 $$$ $135,000

DBI holds 276 permits for this parcel, most of them tenant improvements on individual floors. The timeline shows the 24 largest by stated cost, plus the earliest on file; the DBI query in the sources below returns all 276. 14 of them are nominal $1 street-space or sidewalk permits. The assessor dates the building to 1975, after this photograph was taken.

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